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Graphite M25 · USB Keyboard Controller
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7. PAD Bank Button - The Trigger Pads are configured into two pad banks, with different set-
tings configured to each pad. Press the PAD button to toggle between the two banks.
8. OCTAVE +/– Buttons - Press the OCTAVE buttons to shift the octave of the keyboard up or
down a maximum of four octaves, to extend the range of the keyboard. Each time you press
the OCTAVE button, the range of the keyboard shifts up or down 12 notes. The buttons
blink progressively faster as the keyboard’s octave shifts in each direction. Press both but-
tons to set the keyboard to the default range.
9. SUSTAIN Button - Press this button to sustain (hold) currently held notes. Release the but-
ton to stop notes from being held.
10. Master Encoder - This continuous encoder sends continuous control data. The Master En-
coder is preset from the factory to send volume messages on MIDI channel 9. The encoder
can be assigned to control different parameters using the computer editor.
11. PITCH BEND Ribbon Strip - Slide your finger to raise or lower the pitch of notes played on the
keyboard.
12. MODULATION Ribbon Strip - Slide your finger to send modulation messages. Modulation is
usually used to add vibrato or other expressive effects to a sound being played.
13. Function Keys - In PROG mode, the last 11 keys of the keyboard are assigned to numerical
digits (0–9), and ENTER. To Send a program change message, press the PROG button,
then enter the program number by pressing the numbered keys. When the program number
is entered, press the ENTER key to transmit the program number information. The Graphite
M25 will exit the program mode, and the Function keys will transmit note information.
14. USB Connection - Connect the included USB-mini cable from this port to the USB connec-
tion on a computer to provide power to the keyboard, as well as to send and receive MIDI
data.
Front Panel Controls and Functions